Clipboard



FIG. 1 is a bottom front right perspective view of the clipboard;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in the figure drawings represent environmental structure and form no part of the claimed design. 

The ornamental design for a clipboard, as shown and described. 